102122020210 has 64 divisors (see below), whose sum is σ = 214313589504. Its totient is φ = 34309267200.

The previous prime is 102122020199. The next prime is 102122020243. The reversal of 102122020210 is 12020221201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2991840 + ... + 3025780.

It is an arithmetic number, because the mean of its divisors is an integer number (3348649836).

Almost surely, 2^102122020210 is an apocalyptic number.

102122020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122020210 is an abundant number, since it is smaller than the sum of its proper divisors (112191569294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102122020210 is a wasteful number, since it uses less digits than its factorization.

102122020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34819.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102122020210 its reverse (12020221201), we get a palindrome (114142241411).

The spelling of 102122020210 in words is "one hundred two billion, one hundred twenty-two million, twenty thousand, two hundred ten".